I am writing this letter to inform you of the current status of the finches you were so fascinated with - what has changed since your visit, modern theories, and all of the currently identified species.

First and foremost, I would like to tell you that your works and studies on the finches have become the most closely tied to you out of all of your other various studies. Modern-day scientists have become just as intrigued (if not more so) with the drab-colored little birds as you were. They show a great promise in explaining how evolution and natural selection works, and could easily be considered one of the most important scientific discoveries in history.

Though the finches have not changed much in and of themselves since your last visit, much has been discovered about them that was not previously known. Although including all such discoveries in this text would be far too time and space consuming, I will inform you of some of the main changes below.

Darwin's finches or Galapagos finches. Darwin, 184...

Seven-colored Tanager, Tangara fastuosa

Medium Ground Finch

Although you originally grouped all of the various types of finches into four genera, many modern-day scientists have decided that there are in fact six different genera: the Geospiza, Camarhynchus, Cactospiza, Platyspiza, Certhidea, and the Pinaroloxias. In addition, scientists have identified 14 species of finches, and there may be more - scientists are still discovering things. Below I shall include a chart detailing the species in relation to the genera:

Citation styles:

A letter-format essay about the advancements in the study of Darwin's Finches.. (2003, April 05). In WriteWork.com. Retrieved 20:04, May 24, 2018, from https://www.writework.com/essay/letter-format-essay-advancements-study-darwin-s-finches

... and the number of prey available will influence the population of predators. Predators and their prey also influence the evolution of each other. Michael Brooke(1991) points out that natural selection ...

... 's efforts are examined, both in the park and beyond, and their motives judged. As cities became more and more urbanized, it was harder to still have first-hand contact with nature. Time schedules were busier and no one could really afford to spend an entire ...

... ability to walk upright and does, but it spends most of the time walking on four limbs. It uses it's arms as it's front legs and walks on it's knuckles. Our brain capacity is about twice as large as that of ...

... a magnificent species, poachers of pelts and ivory would most certainly be after it's huge tusks and thick furs, so it would be necessary to post guards around it's cage at all times. A large-scale habitat would be constructed for this ...

2 pages74Mar/19973.4

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